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    • 1. 发明申请
    • PROJECTION DISPLAY
    • 投影显示
    • WO1998027453A1
    • 1998-06-25
    • PCT/JP1997004652
    • 1997-12-17
    • SEIKO EPSON CORPORATIONIINUMA, KazuyukiFUJIMORI, MotoyukiSHINOHARA, KazutoKITABAYASHI, Masashi
    • SEIKO EPSON CORPORATION
    • G02F01/13
    • G02B27/149G02B27/1046G02B27/1073G02B27/145G03B21/006G03B21/145G03B21/208H04N5/7441H04N9/3105H04N9/317
    • A liquid crystal panel unit (50R) is attached to the light incident face (22R) of a prism combination (22). This unit (50R) has a light valve frame plate (51) retaining a liquid crystal panel (40R), and a fixed frame plate (54) fixed to the light incident face (22R) by an adhesive layer (A1). The light valve frame plate (51) is screwed to the side of the fixed frame plate (54) through an intermediate frame plate (55). The liquid crystal panel (40R) retained there can be positioned and fixed surely by adjusting the position of the light valve frame plate (51) with respect to the light incident face (22R), using a wedge-shaped member (57), so the focus adjustement can be performed with accuracy, suppressing the misregister of picture elements, therefore high precision becomes possible easily. Then, the fixed frame plate (54) and the light valve frame plate (51) consist of the materials whose linear expansion coefficients range from a quarter to four times and one-fifth to five times the linear expansion coefficients of the said prism synthesizer (22) and the fixed frame plate (54), respectively.
    • 液晶面板单元(50R)安装在棱镜组合(22)的光入射面(22R)上。 该单元(50R)具有保持液晶面板(40R)的光阀框板(51)和通过粘合层(A1)固定在光入射面(22R)上的固定框板。 光阀架板(51)通过中间框架板(55)拧到固定框架板(54)的侧面。 通过使用楔形构件(57)调节光阀框板51相对于光入射面22R的位置,保持在其上的液晶面板40R可以定位和固定。 可以精确地进行聚焦调节,抑制像素的不对准,因此能够容易地实现高精度。 然后,固定框架板(54)和光阀框板(51)由线性膨胀系数为所述棱镜合成器的线膨胀系数的四分之一至四倍和五分之一到五倍的材料构成( 22)和固定框架板(54)。
    • 2. 发明申请
    • LIGHT SOURCE LAMP UNIT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY DEVICE
    • 光源灯单元,光源设备和投影显示设备
    • WO1997038560A1
    • 1997-10-16
    • PCT/JP1997001067
    • 1997-03-27
    • SEIKO EPSON CORPORATIONMIYASHITA, KiyoshiSHINOHARA, KazutoHABA, ShinjiYAJIMA, AkitakaUSHIYAMA, Tomiyoshi
    • SEIKO EPSON CORPORATION
    • H05B41/16
    • H04N9/315G03B21/2053G09G3/3406H04N9/3141H04N9/3155H05B37/03H05B41/36
    • A light source device (100) is provided with a light source lamp unit (1) which is detachably attached to the device (100) and a CPU (101) which constitutes the drive control means of the lamp unit. The CPU (101) detects the information about the electric power and service life of a lamp and whether the lamp is new or old carried by the lamp information carrying section (5) of the unit (1) and, when the lamp is turned on, counts the cumulative operating hour of the lamp. The CPU (101) compares the detected service life with the cumulative operating hour and, when the service life has expired, forcibly turns off the lamp. The CPU (101) also warns the user of the necessity of replacing the lamp by displaying a warning a fixed period of time short of the expiration of the service life. Since the information about the kind and characteristics of the lamp is carried by the lamp information carrying section (5) of the unit (1), the light source device (100) can appropriately discriminate and control the turning on/off and service life of a lamp even when a different kind of light source lamp unit is used.
    • 光源装置(100)设置有可拆卸地附接到装置(100)的光源灯单元(1)和构成灯单元的驱动控制装置的CPU(101)。 CPU(101)检测关于灯的电力和使用寿命的信息以及灯单元(1)的灯信息传送部分(5)是否是新的或旧的,并且当灯被接通时 ,计算灯的累积运行时间。 CPU(101)将检测到的使用寿命与累积运行时间进行比较,并且当使用寿命期满时,强制关闭灯。 CPU(101)还通过在比使用寿命期满的固定时间段内显示警告来警告用户更换灯的必要性。 由于关于灯的种类和特性的信息由单元(1)的灯信息传送部(5)承载,所以光源装置(100)可以适当地区分和控制打开/关闭和使用寿命 即使使用不同种类的光源灯单元也是一种灯。